High Efficiency PWM Controlled Micro DC-DC Converter for Portable Electronic Equipments
In this paper, the characteristics of a micro DC-DC converter for portable electronic equipments are described. In the converter, an inductor, switching devices and control integrated circuits (ICs) were integrated. The external size of the converter module was 3.0mm × 3.0mm × 1.0mm. And the convert...
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| Veröffentlicht in: | IEICE Transactions on Communications 2008/11/01, Vol.E91.B(11), pp.3704-3711 |
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| container_title | IEICE Transactions on Communications |
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| creator | SUGAHARA, Satoshi YAMADA, Kouhei KAWASHIMA, Tetsuya EDO, Masaharu SATO, Toshiro YAMASAWA, Kiyohito |
| description | In this paper, the characteristics of a micro DC-DC converter for portable electronic equipments are described. In the converter, an inductor, switching devices and control integrated circuits (ICs) were integrated. The external size of the converter module was 3.0mm × 3.0mm × 1.0mm. And the converter had a high efficiency of 83% at the input voltage of 7.2V and the output voltage of 1.5V. The miniaturization of the converter was achieved by developing a small inductor of the size of 3.0mm × 3.0mm × 0.525mm. High efficiency was achieved by adopting 0.6µm CMOS process for ICs and switching devices, using N channel MOSFET for a high side power switch, and controlling a dead time adaptively. The efficiency characteristics of the converter were analyzed experimentally and theoretically. And the losses of the converter were theoretically analyzed. |
| doi_str_mv | 10.1093/ietcom/e91-b.11.3704 |
| format | Article |
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In the converter, an inductor, switching devices and control integrated circuits (ICs) were integrated. The external size of the converter module was 3.0mm × 3.0mm × 1.0mm. And the converter had a high efficiency of 83% at the input voltage of 7.2V and the output voltage of 1.5V. The miniaturization of the converter was achieved by developing a small inductor of the size of 3.0mm × 3.0mm × 0.525mm. High efficiency was achieved by adopting 0.6&microm CMOS process for ICs and switching devices, using N channel MOSFET for a high side power switch, and controlling a dead time adaptively. The efficiency characteristics of the converter were analyzed experimentally and theoretically. And the losses of the converter were theoretically analyzed.</description><identifier>ISSN: 0916-8516</identifier><identifier>ISSN: 1745-1345</identifier><identifier>EISSN: 1745-1345</identifier><identifier>DOI: 10.1093/ietcom/e91-b.11.3704</identifier><language>eng</language><publisher>Oxford: The Institute of Electronics, Information and Communication Engineers</publisher><subject>Applied sciences ; Converters ; DC-DC converter ; Devices ; efficiency ; Electric potential ; Electronic equipment ; Exact sciences and technology ; Inductors ; micro inductor ; miniaturization ; Portability ; Pulse duration modulation ; Switching ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Transmission and modulation (techniques and equipments) ; Voltage</subject><ispartof>IEICE Transactions on Communications, 2008/11/01, Vol.E91.B(11), pp.3704-3711</ispartof><rights>2008 The Institute of Electronics, Information and Communication Engineers</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-59960e74e16ae7431adcf7d2fa28d821f3266a8953c62544e3b8f8941ede81bd3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20849801$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>SUGAHARA, Satoshi</creatorcontrib><creatorcontrib>YAMADA, Kouhei</creatorcontrib><creatorcontrib>KAWASHIMA, Tetsuya</creatorcontrib><creatorcontrib>EDO, Masaharu</creatorcontrib><creatorcontrib>SATO, Toshiro</creatorcontrib><creatorcontrib>YAMASAWA, Kiyohito</creatorcontrib><title>High Efficiency PWM Controlled Micro DC-DC Converter for Portable Electronic Equipments</title><title>IEICE Transactions on Communications</title><addtitle>IEICE Trans. Commun.</addtitle><description>In this paper, the characteristics of a micro DC-DC converter for portable electronic equipments are described. In the converter, an inductor, switching devices and control integrated circuits (ICs) were integrated. The external size of the converter module was 3.0mm × 3.0mm × 1.0mm. And the converter had a high efficiency of 83% at the input voltage of 7.2V and the output voltage of 1.5V. The miniaturization of the converter was achieved by developing a small inductor of the size of 3.0mm × 3.0mm × 0.525mm. High efficiency was achieved by adopting 0.6&microm CMOS process for ICs and switching devices, using N channel MOSFET for a high side power switch, and controlling a dead time adaptively. The efficiency characteristics of the converter were analyzed experimentally and theoretically. And the losses of the converter were theoretically analyzed.</description><subject>Applied sciences</subject><subject>Converters</subject><subject>DC-DC converter</subject><subject>Devices</subject><subject>efficiency</subject><subject>Electric potential</subject><subject>Electronic equipment</subject><subject>Exact sciences and technology</subject><subject>Inductors</subject><subject>micro inductor</subject><subject>miniaturization</subject><subject>Portability</subject><subject>Pulse duration modulation</subject><subject>Switching</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Voltage</subject><issn>0916-8516</issn><issn>1745-1345</issn><issn>1745-1345</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNo9kEFv1DAQhS1EJZaWf8DBF8QpW09sJ84R0kCRuqIHUI-W44xbV95ka3uR-u9xtNWeZjT63puZR8hnYFtgHb_2mO2yv8YOqnELsOUtE-_IBlohK-BCvicb1kFTKQnNB_IxpWfGQNVQb8jDrX98ooNz3nqc7Su9f9jRfplzXELAie68jQu96aubfh3_w5gxUrdEer_EbMaAdAhoCz57S4eXoz_scc7pilw4ExJ-equX5O-P4U9_W939_vmr_3ZXWcmaXMmuaxi2AqExpXAwk3XtVDtTq6lc6HjdNEZ1ktumlkIgH5VTnQCcUME48Uvy9eR7iMvLEVPWe58shmBmXI5JKylbaJVShRQnsjyUUkSnD9HvTXzVwPQaoz7FqEuMetQAeo2xyL68LTDJmuCima1PZ23NlOgUg8LtTtxzyuYRz4CJ2duAOhdhWu2HYv99tT83654zZ59M1Djz_-rskGM</recordid><startdate>2008</startdate><enddate>2008</enddate><creator>SUGAHARA, Satoshi</creator><creator>YAMADA, Kouhei</creator><creator>KAWASHIMA, Tetsuya</creator><creator>EDO, Masaharu</creator><creator>SATO, Toshiro</creator><creator>YAMASAWA, Kiyohito</creator><general>The Institute of Electronics, Information and Communication Engineers</general><general>Oxford University Press</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>2008</creationdate><title>High Efficiency PWM Controlled Micro DC-DC Converter for Portable Electronic Equipments</title><author>SUGAHARA, Satoshi ; YAMADA, Kouhei ; KAWASHIMA, Tetsuya ; EDO, Masaharu ; SATO, Toshiro ; YAMASAWA, Kiyohito</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-59960e74e16ae7431adcf7d2fa28d821f3266a8953c62544e3b8f8941ede81bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Converters</topic><topic>DC-DC converter</topic><topic>Devices</topic><topic>efficiency</topic><topic>Electric potential</topic><topic>Electronic equipment</topic><topic>Exact sciences and technology</topic><topic>Inductors</topic><topic>micro inductor</topic><topic>miniaturization</topic><topic>Portability</topic><topic>Pulse duration modulation</topic><topic>Switching</topic><topic>Systems, networks and services of telecommunications</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Transmission and modulation (techniques and equipments)</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SUGAHARA, Satoshi</creatorcontrib><creatorcontrib>YAMADA, Kouhei</creatorcontrib><creatorcontrib>KAWASHIMA, Tetsuya</creatorcontrib><creatorcontrib>EDO, Masaharu</creatorcontrib><creatorcontrib>SATO, Toshiro</creatorcontrib><creatorcontrib>YAMASAWA, Kiyohito</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEICE Transactions on Communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SUGAHARA, Satoshi</au><au>YAMADA, Kouhei</au><au>KAWASHIMA, Tetsuya</au><au>EDO, Masaharu</au><au>SATO, Toshiro</au><au>YAMASAWA, Kiyohito</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High Efficiency PWM Controlled Micro DC-DC Converter for Portable Electronic Equipments</atitle><jtitle>IEICE Transactions on Communications</jtitle><addtitle>IEICE Trans. Commun.</addtitle><date>2008</date><risdate>2008</risdate><volume>E91.B</volume><issue>11</issue><spage>3704</spage><epage>3711</epage><pages>3704-3711</pages><issn>0916-8516</issn><issn>1745-1345</issn><eissn>1745-1345</eissn><abstract>In this paper, the characteristics of a micro DC-DC converter for portable electronic equipments are described. In the converter, an inductor, switching devices and control integrated circuits (ICs) were integrated. The external size of the converter module was 3.0mm × 3.0mm × 1.0mm. And the converter had a high efficiency of 83% at the input voltage of 7.2V and the output voltage of 1.5V. The miniaturization of the converter was achieved by developing a small inductor of the size of 3.0mm × 3.0mm × 0.525mm. High efficiency was achieved by adopting 0.6&microm CMOS process for ICs and switching devices, using N channel MOSFET for a high side power switch, and controlling a dead time adaptively. The efficiency characteristics of the converter were analyzed experimentally and theoretically. And the losses of the converter were theoretically analyzed.</abstract><cop>Oxford</cop><pub>The Institute of Electronics, Information and Communication Engineers</pub><doi>10.1093/ietcom/e91-b.11.3704</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Converters DC-DC converter Devices efficiency Electric potential Electronic equipment Exact sciences and technology Inductors micro inductor miniaturization Portability Pulse duration modulation Switching Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Voltage |
| title | High Efficiency PWM Controlled Micro DC-DC Converter for Portable Electronic Equipments |
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